860 likes | 877 Views
Taking care of your skin, hair, and nails helps keep your whole body healthy. epidermis dermis melanin sebaceous glands hair follicles melanoma. Your Skin. Skin protects you from pathogens, regulates your body temperature, and helps you feel sensations.
E N D
Taking care of your skin, hair, and nails helps keep your whole body healthy.
epidermis • dermis • melanin • sebaceous glands • hair follicles • melanoma
Your Skin • Skin protects you from pathogens, regulates your body temperature, and helps you feel sensations. • ______ is the largest organ on the human body.
Your Skin • The skin consists of two main layers, the _________ and the dermis. • __________ • The outer, thinner layer of the skin that is composed of living and dead cells
Your Skin • Just underneath the epidermis is the ________. • ___________ • The thicker layer of the skin beneath the epidermis that is made up of connective tissue and contains blood vessels and nerves
Your Skin • Cells in the epidermis make substances called lipids, which make your skin waterproof. • This waterproofing helps the body maintain a proper balance of water and electrolytes.
Your Skin • The more ________ that your body produces, the darker the skin. • ___________ • A pigment that gives the skin, hair, and iris of the eyes their color
Your Skin • Three Main Functions of Skin • TemperatureControl • Protection • Sensation
Epidermis • Dermis • SubcutaneousLayer Your Skin
hair • dead epidermis • living epidermis • sweat pore • sebaceous gland • hair follicle • muscle • duct of sweat gland • sweat gland • artery • vein • nerve • fat tissue Your Skin
Your Skin • Sebaceous glandsare also found in the dermis. Sebum helps keep skin and hair from drying out. • Sebaceous glands • Structures within the skin that produce an oily secretion called sebum
Keeping Your Skin Healthy • A daily routine will keep your skin healthy.
Keeping Your Skin Healthy • Tips for Keeping Your Skin Healthy • Wash your face every morning and evening with mild soap and water. • Avoid touching your face with your hands. • Choose personal skin care products carefully to avoid irritation and the chance of allergic reaction. • Follow a well-balanced eating plan that is rich in vitamins and minerals.
Keeping Your Skin Healthy • An eating plan rich in vitamin A will promote healthy skin.
UV Protection • Tanned skin is a sign that skin has been damaged by UV rays. • Prolonged exposure to UV rays can lead to skin cancer.
UV Protection • UV Protection Tips • Always wear sunscreen with an SPF of 15 or higher on exposed areas of skin. • Apply sunscreen 15 to 30 minutes before going outside, even on cloudy days. • Wear protective clothing. • Wear sunglasses. • Avoid using tanning beds, as prolonged exposure can lead to skin cancer.
Body Piercing and Tattooing • Infections from bacteria • Viruses from blood-borne pathogens • Health Risks ofBody Piecing andTattooing • Damage to mouth and teeth • Limit future job opportunities and relationships
Skin Problems • Acne occurs when clogged pores become infected and pus forms. • Keep your face clean. • Apply over-the-counter treatments. • Avoid oily products and heavy makeup. • See a doctor if necessary.
Skin Problems • Warts are caused by viruses and can be spread through direct physical contact.
Skin Problems • Dermatitis, or eczema, is inflamed skin usually caused by an allergic reaction. • Keep your skin well moisturized to reduce irritation. See a doctor if necessary.
Skin Problems • Boils form when _____ follicles become infected. Do not burst or squeeze a boil. • _______ follicles • Sacs or cavities that surround the roots of hairs
Skin Problems • Fungal infections are spread by contact with skin, clothing, or in public showers. • Keep skin clean and dry and treat with over-the-counter medicines.
Skin Problems • Moles are usually harmless, but they can develop into _________, which can be deadly. • __________ • The most serious form of skin cancer
Skin Problems • Early detection and treatment are critical in controlling the spread of melanoma. • Regularly checking the appearance of your moles is important for the early detection of melanoma.
Skin Problems • The ABCD’S of Melanoma • An imaginary line drawn through the center of the mole does not produce matching halves. • Asymmetry • Border Irregularity • Non-cancerous moles have smooth edges. Suspect moles often have irregular edges. • Look for moles that are intensely black, possibly with a bluish tint, or that have an uneven color. • Color • Check for moles that are wider across than the width of a pea. • Diameter
Skin Problems • A • B • C • D • Asymmetry • BorderIrregularity • Color • Diameter
Your Hair • Your hair protects your skin from UV radiation and helps maintain body heat. • Hair grows on every surface of the skin, except for the palms of the hand and the soles of the feet.
Your Hair • Hair protects the skin from UV radiation and prevents loss of heat from the body. • The eyebrows and eyelashes protect the eyes from dust and other particles.
Your Hair • Protecting Your Hair • Eat a well-balanced diet. • Brush daily. • Shampoo regularly. • Limit the use of harsh chemical treatments. • Avoid excessive use of heating irons or hot combs.
Hair Problems • Dead skin cells that are shed as sticky white flakes. • Dandruff • Avoiding Dandruff • Keep your hair clean. • Treating Dandruff • Use over-the-counter dandruff shampoo.
Hair Problems • Tiny parasitic insects that live in scalp hair. • Head Lice • Avoiding Head Lice • Don’t share brushes, combs, or hats. • Treating Head Lice • Use a medicated shampoo to kill the organisms.
Your Nails • Nails help protect your fingers and toes. • Your fingernails and toenails are made of closely packed dead cells that contain keratin.
Your Nails • Any cut, split, or break of the skin surrounding the nail should be kept clean and treated with antibiotic ointment to avoid infection.
Your Nails • Protecting Your Nails • Keep nails clean and evenly trimmed. • Use a nail file to shape and smooth nails. • Keep cuticles pushed back. • Trim toenails straight across and just slightly above the skin level. • Keep nails short.
Your teeth and mouth need care to function well and keep you healthy.
Your Teeth • Every tooth has three main parts. • Having healthy teeth is important for your appearance and your overall physical health.
Your Teeth • Your teeth break down foods into pieces that are small enough to easily digest. • They also help form the shape and structure of your mouth.
Your Teeth • The ____________ supports the tooth and holds it in place. • ___________ • The area immediately around the tooth
Parts of a Tooth • Parts of the Periodontium • Periodontal Ligaments • The Gum • The Jawbone
Parts of a Tooth • Three Main Parts of the Tooth • Crown • Neck • Root
Crown • Neck • Root Parts of a Tooth
enamel • dentin • gum • gingivia • pulp cavity with nerves and vessels • cementum • periodontal ligaments • periodontal membrane • root canal • bone Parts of a Tooth
Parts of a Tooth • _________ is a hard substance made of calcium that protects the crown. • Dentin is layer of connective tissue that contributes to the shape and hardness of a tooth.
Keeping Your Teeth and Mouth Healthy • You can make choices that help keep your teeth and mouth clean and healthy. • Oral hygiene, which includes brushing and flossing your teeth, is necessary for healthy, clean teeth.
Keeping Your Teeth and Mouth Healthy • Bacteria metabolize the sugars in the foods you eat, producing an acid that breaks down the protective layer of tooth enamel. • Tooth decay occurs when the enamel is destroyed and bacteria penetrate the tooth.
Keeping Your Teeth and Mouth Healthy • ________ damages the tooth by coating it, sealing out the saliva that normally protects the tooth from bacteria. • ________ • A combination of bacteria and other particles, such as small bits of food, which adheres to the outside of a tooth
Keeping Your Teeth and Mouth Healthy • If plaque builds up, acids produced by bacteria break down the tooth enamel, resulting in a cavity. • If decay spreads down to the pulp, the tooth may have to be removed.
• Eat a well-balanced diet. • • Reduce the number of sugary drinks and snacks you eat. • • Brush your teeth after every meal, and floss daily. • • Get regular dental checkups. • • Wear a mouth guard when you play contact sports. • • Avoid all tobacco products. Keeping Your Teeth and Mouth Healthy • • Visit a dentist regularly.
Tooth and Mouth Problems • __________ can be caused by eating certain foods, poor oral hygiene, smoking, bacteria on the tongue, decayed teeth, and gum disease. • _________ • Bad breath
Tooth and Mouth Problems • Gum disease, or __________ disease,is caused by bacterial infection. • _________ disease • An inflammation of the periodontal structures